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A starship of mass (2.0?106 kg) uses its tractor beam to pull a shuttlecraft (2.0?104 kg) aboard from a distance of 10 km away. The tractor beam exerts a constant force of 4.0104 N on the shuttlecra
at 60 Hz, a series LCR circuit contains reactances Xl= 20 ohms and Xc= 14 ohms and resistance = 10 ohms. what is the impedance at resonant frequency
what is the resonant frequency of a series circuit consisting of a 100 pf capacitor, a 10 k ohm resistor, and a 1 mH inductor
A six pole, 400 V d.c. motor draws 110 A from the supply. The shunt field resistance is 200 Ohm and the armature resistance is 0.5 Ohm. The armature is wave wound with 600 conductors operates at a s
A proportional control system id to be used to control the wing flaps of a jet airplane. The wind load is expected to cause as much as 600 in*lb of torque. The system should be able to keep the flap
In the early days of Op Amps, banks of Op Amps were used for computing mathematical expressions. Describe how you would configure them to do, say a complex calculus function. Feel free to share a d
An Electromagnetic wave at 120 MHz travels through a lossy di-electric medium. At this frequency, the depth of penetration is 4 m, if the wave travels 10 m, find the attendant attenuation in dB.
Suppose we have a circuit in which a current source of 5 amperes is connected to 3 resistances in parallel.If you need to calculate voltage difference across current source EXPLAIN USING KCL why is
Let the component at Omega(C) = 2pi* 3000 be the corrupting signal. Design an appropriate lter to lter out this component of the input. You can use fir1 command for this. Plot the frequency response
Silicon is doped with 6 x 10^15 arsenic atoms/cm^3. a. At T=300K, what is the percentage increase in free electron concentration from this doping b. At the same temperature, does the hole concentratio
A man has set up a Christmas display using 20 strands of lights (500 Watts/strand). If the man wants to wire the strand outlets to the house panel with a 30 amp breaker, Determine a) The number of 3
a single phase 10kVA, 2400/120 V transformer has the following equivalent measurements (referenced to high side): Rc 64k ohms, Xm 9.6k ohms, Re 19.3 ohms, Xe 73.3 ohms. if the secondary load is Zl =
a single phase 100 kVA, 1000/100 V transformer gives the following test results: Open Circuit test: 100V, 6.0 A and 400 W Short Circuit test: 50V, 100A and 1800W At what load will maximum efficiency o
Two forces, F1 and F2, act at a point. has a magnitude of 9.20N and is directed at an angle of 59.0 degrees above the negative x axis in the second quadrant. F2 has a magnitude of 6.00N and is direc
Draw a FBD (free body diagram) for a rocket flying at an arbitrary angle. Indicate the force vector due to gravity and force vector due to air resistance. Why does the direction of the net force cha
Two single phase transformers are connected in parallel with the following parameters. Transformer A, rated at 60 kVA Rc=250 k Ohm Req=25 Ohm Xm=45 k Ohm Xeq=150 Ohm
the cut-off frequencies of a series resonant circuit are 5400 Hz and 6000Hz. a. find the bandwidth of the circuitb. If Qs is 9.5 , find the resonant frequenciy of the circuit c. if the resistance of t
A series resonant circuit has a resonant frequency of 10 kHz. The resistance of the circuit is 5 ohms and Xc at resonant is 200 ohms. a. find the bandwidth. b. find the cut-off frequencies. c. find
An injection-molding machine can be purchased and installed for $90,000. It is in the seven-year GDS property class and is expected to be kept in service for eight years. It is believed that $10,000
A 15-kVA, 8000/230-V distribution transformer has an impedance referred to the primary of 80+j300 ohm. The components of the excitation branch referred to the primary side are Rc= 350k ohm and Xm=70
Build and test the operational amplifier summing circuit you designed for the Prelab using 741-type op-amps. Use VA = 2 V and VB = 3 V with power supply rails of ±18 V. Ask your lab instructo
A 10 kVA 1100:120 V single phase transformer has the following circuit parameters referred to the primary. Rc = 80 k Ohm, Xm = 10 k Ohm, Re = 20 Ohm, Xe = 50 Ohm. If the secondary load impedance is 5
Calculate the inductance of a solenoid with 125 turns if the length of the solenoid is 18 cm and its radius is 1.6 cm
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting